docs(react-router): raise minimum version to 7.15

docs/platforms/javascript/guides/react-router/index.mdx

@@ -1,6 +1,6 @@
 ---
 title: React Router Framework
-description: Learn how to set up and configure Sentry in your React Router application (v7+) using the installation wizard, capture your first errors, and view them in Sentry.
+description: Learn how to set up and configure Sentry in your React Router application (v7.15+) using the installation wizard, capture your first errors, and view them in Sentry.
 sdk: sentry.javascript.react-router
 categories:
   - javascript

docs/platforms/javascript/guides/react-router/manual-setup.mdx

@@ -1,7 +1,7 @@
 ---
 title: "Manual Setup"
 sidebar_order: 1
-description: "Learn how to manually set up Sentry in your React Router app (v7+) and capture your first errors."
+description: "Learn how to manually set up Sentry in your React Router app (v7.15+) and capture your first errors."
 ---
 
 <Alert level="warning" title="Important">
@@ -190,7 +190,7 @@ Sentry's OpenTelemetry-based auto-instrumentation (loaded through `instrument.se
 - **Node 20:** Version \<20.19
 - **Node 22:** Version \<22.12
 
-This restriction **doesn't** affect tracing for loaders, actions, middleware, and request handlers. Those are instrumented through React Router's [instrumentation API](https://reactrouter.com/how-to/instrumentation) (the `instrumentations` export shown below, React Router 7.15+), which works on all Node versions.
+This restriction **doesn't** affect tracing for loaders, actions, middleware, and request handlers. Those are instrumented through React Router's [instrumentation API](https://reactrouter.com/how-to/instrumentation) (the `instrumentations` export shown below), which works on all Node versions.
 
 On unsupported Node versions, you'll only lose auto-instrumentation for lower-level operations such as outgoing HTTP requests and database queries.
 
@@ -244,7 +244,7 @@ Sentry.init({
 
 Next, replace the default `handleRequest` and `handleError` functions in your `entry.server.tsx` file with Sentry's wrapped versions, and export `instrumentations` to enable automatic tracing.
 
-Exporting `instrumentations` uses React Router's [instrumentation API](https://reactrouter.com/how-to/instrumentation) (React Router 7.15+) to automatically create spans for all loaders, actions, middleware, and request handlers — no need to wrap them individually.
+Exporting `instrumentations` uses React Router's [instrumentation API](https://reactrouter.com/how-to/instrumentation) to automatically create spans for all loaders, actions, middleware, and request handlers — no need to wrap them individually.
 
 </SplitSectionText>
 <SplitSectionCode>
@@ -269,7 +269,7 @@ Exporting `instrumentations` uses React Router's [instrumentation API](https://r
 +});
 
 +// Automatically instruments all server loaders, actions, middleware,
-+// and request handlers. Requires React Router 7.15+.
++// and request handlers.
 +export const instrumentations = [Sentry.createSentryServerInstrumentation()];
 
 // ... rest of your server entry

platform-includes/getting-started-prerequisites/javascript.react-router.mdx

@@ -0,0 +1,7 @@
+## Prerequisites
+
+You need:
+
+- A Sentry [account](https://sentry.io/signup/) and [project](/product/projects/)
+- Your application up and running
+- React Router version `7.15.0` or above (framework mode)